Home / 34,079.76-47,014.80-19,926.48

Finding the Fourth Proportional to 34,079.76, 47,014.80 and 19,926.48

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Solution

The fourth proportional to 34,079.76, 47,014.80 and 19,926.48 is: 27,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,079.76 : 47,014.80 = 19,926.48 : x
  2. Step 2: Convert to fraction form
    34,079.76/47,014.80 = 19,926.48/x
  3. Step 3: Cross multiply
    34,079.76x = 47,014.80 × 19,926.48
  4. Step 4: Simplify right side
    34,079.76x = 936,839,471.90
  5. Step 5: Solve for x
    x = 936,839,471.90/34,079.76
  6. Step 6: Final answer
    x = 27,489.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.